Hi Stefan, On 4/2/2018 7:47 PM, Stefan Wahren wrote: > Hi Minas, > > in linux-next-20180327 i will get the following confusing warnings on the Raspberry Pi: > > Linux raspberrypi 4.16.0-rc7-next-20180327+ #2 SMP PREEMPT Sat Mar 31 13:24:47 CEST 2018 armv6l GNU/Linux > > [ 6.809185] dwc2 20980000.usb: dwc2_check_params: Invalid parameter lpm=1 > [ 6.816741] dwc2 20980000.usb: dwc2_check_params: Invalid parameter lpm_clock_gating=1 > [ 6.825852] dwc2 20980000.usb: dwc2_check_params: Invalid parameter besl=1 > [ 6.833836] dwc2 20980000.usb: dwc2_check_params: Invalid parameter hird_threshold_en=1 > > I think the reason is that these features aren't supported. Yes. By default LPM feature enabled in dwc2 driver, and if hardware does not support LPM feature this warning are asserting. > > DWC2 core: 2.80a > > Extract of the BCM2835 datasheet: > LPM Mode of Operation: 0 (Non-LPM-capable core) > Enable Power Optimization: No > > I hope we can suppress these confusing warnings. > > Best regards > Stefan > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at https://urldefense.proofpoint.com/v2/url?u=http-3A__vger.kernel.org_majordomo-2Dinfo.html&d=DwICaQ&c=DPL6_X_6JkXFx7AXWqB0tg&r=K1ULVL1slpLXpMJJlAXSOxws4tRq0IkTBqxDkyW2hUQ&m=p8QSzOQ6Jl5b4edTsdasqPqOC-ZomQDDvkluCvJItpU&s=u8I6yUuioJrmqhLWhxbAkQbxnCvYXqyPqqpZSzxp0UU&e= > Thanks, Grigor. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
